Home / 437,643.20-603,947.13-236,439.20

Finding the Fourth Proportional to 437,643.20, 603,947.13 and 236,439.20

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Solution

The fourth proportional to 437,643.20, 603,947.13 and 236,439.20 is: 326,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,643.20 : 603,947.13 = 236,439.20 : x
  2. Step 2: Convert to fraction form
    437,643.20/603,947.13 = 236,439.20/x
  3. Step 3: Cross multiply
    437,643.20x = 603,947.13 × 236,439.20
  4. Step 4: Simplify right side
    437,643.20x = 142,796,776,259.50
  5. Step 5: Solve for x
    x = 142,796,776,259.50/437,643.20
  6. Step 6: Final answer
    x = 326,285.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.